/*
 * IDirect3DQuery9 implementation
 *
 * Copyright 2002-2003 Raphael Junqueira
 *                     Jason Edmeades
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "config.h"
#include "d3d9_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(d3d);

/* IDirect3DQuery9 IUnknown parts follow: */
HRESULT WINAPI IDirect3DQuery9Impl_QueryInterface(LPDIRECT3DQUERY9 iface, REFIID riid, LPVOID* ppobj) {
    IDirect3DQuery9Impl *This = (IDirect3DQuery9Impl *)iface;

    if (IsEqualGUID(riid, &IID_IUnknown)
        || IsEqualGUID(riid, &IID_IDirect3DQuery9)) {
        IDirect3DQuery9Impl_AddRef(iface);
        *ppobj = This;
        return D3D_OK;
    }

    WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
    return E_NOINTERFACE;
}

ULONG WINAPI IDirect3DQuery9Impl_AddRef(LPDIRECT3DQUERY9 iface) {
    IDirect3DQuery9Impl *This = (IDirect3DQuery9Impl *)iface;
    ULONG ref = InterlockedIncrement(&This->ref);

    TRACE("(%p) : AddRef from %ld\n", This, ref - 1);

    return ref;
}

ULONG WINAPI IDirect3DQuery9Impl_Release(LPDIRECT3DQUERY9 iface) {
    IDirect3DQuery9Impl *This = (IDirect3DQuery9Impl *)iface;
    ULONG ref = InterlockedDecrement(&This->ref);

    TRACE("(%p) : ReleaseRef to %ld\n", This, ref);

    if (ref == 0) {
        HeapFree(GetProcessHeap(), 0, This);
    }
    return ref;
}

/* IDirect3DQuery9 Interface follow: */
HRESULT WINAPI IDirect3DQuery9Impl_GetDevice(LPDIRECT3DQUERY9 iface, IDirect3DDevice9** ppDevice) {
    IDirect3DQuery9Impl *This = (IDirect3DQuery9Impl *)iface;
    TRACE("(%p) : returning %p\n", This, This->Device);
    *ppDevice = (LPDIRECT3DDEVICE9) This->Device;
    IDirect3DDevice9Impl_AddRef(*ppDevice);
    return D3D_OK;
}

D3DQUERYTYPE WINAPI IDirect3DQuery9Impl_GetType(LPDIRECT3DQUERY9 iface) {
    IDirect3DQuery9Impl *This = (IDirect3DQuery9Impl *)iface;
    FIXME("(%p) : stub\n", This);
    return 0;
}

DWORD WINAPI IDirect3DQuery9Impl_GetDataSize(LPDIRECT3DQUERY9 iface) {
    IDirect3DQuery9Impl *This = (IDirect3DQuery9Impl *)iface;
    FIXME("(%p) : stub\n", This);
    return 0;
}

HRESULT WINAPI IDirect3DQuery9Impl_Issue(LPDIRECT3DQUERY9 iface, DWORD dwIssueFlags) {
    IDirect3DQuery9Impl *This = (IDirect3DQuery9Impl *)iface;
    FIXME("(%p) : stub\n", This);
    return D3D_OK;
}

HRESULT WINAPI IDirect3DQuery9Impl_GetData(LPDIRECT3DQUERY9 iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags) {
    IDirect3DQuery9Impl *This = (IDirect3DQuery9Impl *)iface;
    FIXME("(%p) : stub\n", This);
    return D3D_OK;
}


IDirect3DQuery9Vtbl Direct3DQuery9_Vtbl =
{
    IDirect3DQuery9Impl_QueryInterface,
    IDirect3DQuery9Impl_AddRef,
    IDirect3DQuery9Impl_Release,
    IDirect3DQuery9Impl_GetDevice,
    IDirect3DQuery9Impl_GetType,
    IDirect3DQuery9Impl_GetDataSize,
    IDirect3DQuery9Impl_Issue,
    IDirect3DQuery9Impl_GetData
};


/* IDirect3DDevice9 IDirect3DQuery9 Methods follow: */
HRESULT WINAPI IDirect3DDevice9Impl_CreateQuery(LPDIRECT3DDEVICE9 iface, D3DQUERYTYPE Type, IDirect3DQuery9** ppQuery) {
#if 0
  IDirect3DDevice9Impl *This = (IDirect3DDevice9Impl *)iface;
#endif
  IDirect3DQuery9Impl *object = NULL;
  HRESULT hr = D3D_OK;
    
  if (NULL == ppQuery) {
    return D3DERR_INVALIDCALL;
  }
  /* Allocate the storage for the device */
  object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirect3DQuery9Impl));
  if (NULL == object) {
    FIXME("Allocation of memory failed\n");
    *ppQuery = NULL;
    return D3DERR_OUTOFVIDEOMEMORY;
  }
  
  object->lpVtbl = &Direct3DQuery9_Vtbl;
  object->ref = 1;
#if 0
  hr = IWineD3DDevice_CreateQuery(This->WineD3DDevice, 9, pVertexElements, &(object->wineD3DQuery));
  
  if (FAILED(hr)) {
    /* free up object */ 
    FIXME("(%p) call to IWineD3DDevice_CreateQuery failed\n", This);
    HeapFree(GetProcessHeap(), 0, object);
    *ppQuery = NULL;
  } else {
    *ppQuery = (LPDIRECT3DQUERY9) object;
  }
#endif
  return hr;
}